Here's the definition that's on our security deposit page, which doesn't get into the nitty-gritty: Normal wear and tear is a term that Wisconsin law does not define.
(3)Protein Fat-Free Percentage, Protein Fat-Free Content, PFF Percentage, PFF Content or PFF of a product means the meat protein (indigenous to the raw, unprocessed pork cut) content expressed as a percent of the non-fat portion of the finished product.
Audio: Barriers Removed for U.S. Beef and Pork in Costa Rica Though Costa Rica is a relatively small destination for U.S. beef and pork, the market holds strong interest for U.S. meat exporters because of its rapidly growing tourism and hospitality industries.